HP P36921-B21
HP
34 Overall Score
vs
AMD Ryzen 7 3800X 8-core AM4
AMD
74 Overall Score
What Buyers Say
HP P36921-B21
No customer feedback yet
AMD Ryzen 7 3800X 8-core AM4
92 out of 100 medium confidence 14 reviews
Users are overwhelmingly positive about this CPU, praising its performance, value, and cool operation. Many upgraded from older Intel or AMD chips and saw significant FPS gains and smoother multitasking. A few minor concerns about mounting and BIOS updates were mentioned, but overall it's highly recommended.
Pros
- Excellent performance
- Great value for money
- Runs cool
- Easy upgrade path
- Good stock cooler
Cons
- Mounting bracket is a pain
- BIOS update may be needed
- RAM clearance with stock cooler
Performance 8
Value for money 6
Cooling 5
Upgrade path 4
Stock cooler 3
Bios compatibility 2
Scores
Productivity
Budget
Efficiency
Gaming
Ai Llm
Server
Specifications
| HP P36921-B21 | AMD Ryzen 7 3800X | |
|---|---|---|
| Processor | ||
| Brand | Intel | AMD |
| Series | Xeon Silver | Ryzen 7 |
| Model | 4310 | 3800X |
| Codename | — | Matisse |
| Class | server | desktop |
| Process | 10 | 7★ |
| Cores & Clocks | ||
| Cores | 12★ | 8 |
| P-cores | — | 8★ |
| Threads | 24★ | 16 |
| Base Clock | ||
| Boost Clock | ||
| Cache | ||
| L2 Cache | 4 | 4 |
| L3 Cache | 18 | 32★ |
| Performance | ||
| PassMark Multi | ||
| PassMark Single | ||
| Memory | ||
| Memory Type | DDR4 | DDR4 |
| Max Speed | No data | |
| Channels | — | 2★ |
| Max Memory | No data | |
| ECC | — | ✗ |
| Platform & Power | ||
| Socket | LGA4189 | AM4 |
| PCIe | 4.0 | 4.0 |
| PCIe Lanes | 48★ | 16 |
| TDP | 120 | 105★ |
| Max Turbo Power | 120★ | — |
| Unlocked | ✗ | ✓★ |
| Graphics & AI | ||
| Integrated Graphics | — | None |
Pros & Cons
HP P36921-B21
- Below average single thread (7th percentile)7th %ile
- Below average affordability (10th percentile)10th %ile
- Below average feature (21st percentile)
AMD Ryzen 7 3800X 8-core AM4
- Strong social proof (96th percentile)96th %ile
- Strong feature (94th percentile)94th %ile
- Strong user sentiment (93rd percentile)93rd %ile
- Strong efficiency (80th percentile)80th %ile
Pricing
Verdict
Winner: AMD Ryzen 7 3800X
Scores 74 overall, wins 6 of 6 usage categories and 11 of 27 specs.
